The mean of a set of data is 3.90 and its standard deviation is 0.25. Find the z score for a value of 3.28. Round your answer to two decimal places.

Step-by-step explanation:

The z-score measures how many standard deviations a score X is above or below the mean.

It is given by the following formula:

In which is the mean and is the standard deviation.

The mean of a set of data is 3.90 and its standard deviation is 0.25. Find the z score for a value of 3.28. Round your answer to two decimal places

So it is Z when

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step-by-step explanation:

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